diff --git a/app/javascript/application.js b/app/javascript/application.js
new file mode 100644
--- /dev/null
+++ b/app/javascript/application.js
@@ -0,0 +1,17 @@
+// Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
+//import "@hotwired/turbo-rails"
+//import "controllers"
+//
+console.log('xxxxx')
+import jQuery from "jquery"
+//import pdfmake from "pdfmake"
+//import jszip from "jszip"
+//import DataTable from "datatables.net-bs5"
+//
+window.$ = window.jQuery = jQuery;
+//window.DataTable = DataTable();
+//
+console.log($); // ok
+////console.log(jszip);
+console.log('application.js ready')
+